54699820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5503}}^1$

素因数の和:5590

約数の個数: 48

約数和(自身を含む): 133152768

約数和(自身を除く): 78452948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 4970, 5503, 9940, 11006, 22012, 27515, 38521, 55030, 77042, 110060, 154084, 192605, 385210, 390713, 770420, 781426, 1562852, 1953565, 2734991, 3907130, 5469982, 7814260, 10939964, 13674955, 27349910, 54699820]

約数ペア:

[(1, 54699820), (2, 27349910), (4, 13674955), (5, 10939964), (7, 7814260), (10, 5469982), (14, 3907130), (20, 2734991), (28, 1953565), (35, 1562852), (70, 781426), (71, 770420), (140, 390713), (142, 385210), (284, 192605), (355, 154084), (497, 110060), (710, 77042), (994, 55030), (1420, 38521), (1988, 27515), (2485, 22012), (4970, 11006), (5503, 9940)]